Yarnee Naksakul และ Netnapid Tantemsapya. (2009) Mathematical modeling of heavy metals contamination from municipality landfill site Khonkaen. Chulalongkorn University:ม.ป.ท.Yarnee Naksakul และ Netnapid Tantemsapya. 2009. Mathematical modeling of heavy metals contamination from municipality landfill site Khonkaen. ม.ป.ท.:Chulalongkorn University;Yarnee Naksakul และ Netnapid Tantemsapya. Mathematical modeling of heavy metals contamination from municipality landfill site Khonkaen. ม.ป.ท.:Chulalongkorn University, 2009. Print.